package working.collection;

import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;

public class LinkedHashMapTest {

    public static void main(String[] args) {

        ConcurrentHashMap concurrentHashMap = new ConcurrentHashMap(16);

        concurrentHashMap.put("x", "x");


    }

}
